Ballard,R C

Institution: Centers for Disease Control and Prevention, Division of STD Prevention, Atlanta, Georgia 30333, USA

Research Interests: Antibodies, Syphilis, Health, Diagnosis, Patients, Serum, Laboratory, Screening, Treponema, Treponema Pallidum, Infection, PCR, Agglutination, Health Care, Plasma, Primary Health Care, Resource, Treatment, Evaluation, Laboratories